from such tumors. Only limited attempts have been made to evaluate tissues from other diseases that are associated with lymphoreticular proliferation. Results with acute phase, mononuclear cells from one case of infectious mononucleosis were negative, but this finding obviously needs confirma tion by study of additional cases. Carcinomas of various origins (e.g., lung, stomach, colon, rectum, o...

In this chapter online discussion groups will be situated as contemporary examples within the historical tradition of voluntary, informal, learning networks used by adults for topical discussion, fellowship, and learning. Just as the online discussion group is a voluntary, informal learning group in the historic tradition, so the monitor or reviewer of the online discussion group fulfills many ...

Science cafés offer a place for information and discussion for all who are interested in science and its broader implications for society. In this paper, science cafés are explored as a means of informal science dialogue in order to gain more understanding of the science-society relationship. Perspectives of visitors, organisers and moderators of science cafés were analysed. Findings show that ...

DR. DOUGHERTY raised an important point re garding the possibility that some of the enzyme activity alterations may not reflect variation in enzyme amount but may simply reflect rate limiting changes in the availability of a cofactor. DR. PITOT said that this was not true in his cx periments because the enzymes were always assayed in the presence of an excess of their respec tive cofactors. DR....